// JavaScript Document
var w = screen.availWidth;
var h = screen.availHeight;

if (h > 800) {
h = screen.availHeight - 485;
} else {
h = 280;
}

function getval() {
objlnk1=document.getElementById? document.getElementById("link1") : link1
objlnk1.style.height=h+"px";
objlnk1.style.overflow="auto";
}